Haplocanthosaurus was a herbivore. It lived in the Jurassic period and inhabited North America. Its fossils have been found in places such as Colorado and Wyoming.

All these Haplocanthosaurus pictures were collected from the internet. Enjoy and explore:

Haplocanthosaurus was described by the following scientific paper(s):
  • O. C. Marsh. 1878. Principal characters of American Jurassic dinosaurs. Part I. American Journal of Science and Arts 16:411-416
  • K. Carpenter. 1998. Vertebrate biostratigraphy of the Morrison Formation near CaƱon City, Colorado. Modern Geology 23:407-426
  • W. J. Holland. 1904. Section of Paleontology. Annual Report of the Director for the Year Ending March 31, 1904